You've got mirroring specified, which restricts you to resolutions supported by both screes. The solution is to make the monitors not be mirrored. Moving to questions.
** Tags added: maverick ** Changed in: xserver-xorg-video-intel (Ubuntu) Status: New => Invalid ** Converted to question: https://answers.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+question/155660 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/683658 Title: Intel GMA 4500M low resolution for external display -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs